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SUPPLEMENTAL BALANCE SHEET INFORMATION (Tables)
12 Months Ended
Sep. 30, 2012
SUPPLEMENTAL BALANCE SHEET INFORMATION  
Schedule of supplemental balance sheet information, reflecting activity in the entity's reserve for bad debt

 

 

 
  September 30,  
 
  2012   2011   2010  
 
  (in thousands)
 

Reserve for bad debt:

                   

Balance at October 1,

  $ 776   $ 830   $ 659  

Provision for (recovery of) bad debt

    205     106     206  

Write-off of bad debt

    (39 )   (160 )   (35 )
               

Balance at September 30,

  $ 942   $ 776   $ 830  
               

        

Schedule of supplemental balance sheet information, accounts receivable, prepaid expenses, accrued liabilities and long-term liabilities

 

 

 
  September 30,  
 
  2012   2011  

Prepaid expenses and other:

             

Restricted cash

  $ 28,989   $ 16,015  

Prepaid insurance

    15,522     10,117  

Deferred mobilization

    19,809     8,512  

Prepaid value added tax

    1,470     3,884  

Other

    8,903     11,208  
           

Total prepaid expenses and other

  $ 74,693   $ 49,736  
           

Accrued liabilities:

             

Accrued operating costs

  $ 37,645   $ 50,415  

Payroll and employee benefits

    52,187     43,077  

Taxes payable, other than income tax

    35,842     37,789  

Accrued income taxes

    1,325     17,075  

Deferred mobilization

    13,351     11,281  

Self-insurance liabilities

    5,611     5,452  

Deferred income

    11,280     4,073  

Other

    19,374     23,736  
           

Total accrued liabilities

  $ 176,615   $ 192,898  
           

Noncurrent liabilities—Other:

             

Pension and other non-qualified retirement plans

  $ 40,142   $ 50,225  

Self-insurance liabilities

    12,385     13,780  

Deferred mobilization

    19,364     12,033  

Deferred income

    6,766     10,569  

Uncertain tax positions including interest and penalties

    12,184     9,829  

Other

    7,552     7,849  
           

Total noncurrent liabilities—other

  $ 98,393   $ 104,285